package com.robert.vesta.rest.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class VestaRestNettyServer {
	private static final Log log = LogFactory
			.getLog(VestaRestNettyServer.class);

	private final int port;

	public VestaRestNettyServer(int port) {
		this.port = port;
	}

	public void run() throws Exception {
		// Configure the server.
		EventLoopGroup bossGroup = new NioEventLoopGroup();
		EventLoopGroup workerGroup = new NioEventLoopGroup();
		try {
			ServerBootstrap b = new ServerBootstrap();
			b.option(ChannelOption.SO_BACKLOG, 1024);
			b.group(bossGroup, workerGroup)
					.channel(NioServerSocketChannel.class)
					.childHandler(new VestaRestNettyServerInitializer());

			Channel ch = b.bind(port).sync().channel();

			if (log.isDebugEnabled())
				log.debug("VestaRestNettyServer is started.");

			ch.closeFuture().sync();
		} finally {
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}
	}

	public static void main(String[] args) throws Exception {
		int port = 8080;

		if (args.length > 0) {
			port = Integer.parseInt(args[0]);
		}

		new VestaRestNettyServer(port).run();
	}
}
